A power take-off unit for a transaxle is provided with a unique double enveloping wormworm gear transmission which has a ratio of the number of gear teeth on the worm gear to the number of threads on the worm which is low. The representatives adopt particular roles according to customer care volume, inquiry type, time of day and other customer management needs. The implant preferably has a wedge-shaped profile to restore disc height and the natural curvature of the spine. Where the carrier comprises a plurality of beads, the beads may have randomly dissolvable encapsulation to extend the time duration of flavor release. The absorbent core comprises a channel substantially free of the superabsorbent polymers and at least partially oriented in a longitudinal direction of the article. Centering is obtained by simple barrel roll operations on eigenvectors.